{"title":"Non-Hydrostatic Stresses in the Martian Interior without Accounting for the Long-Wavelength Component","authors":"A. V. Batov, T. V. Gudkova","doi":"10.1134/S0038094625600295","DOIUrl":null,"url":null,"abstract":"<p>The calculation of nonhydrostatic stresses in the interior of Mars is carried out without taking into account the long-wave component. The numerical solution of the system of equations of elastic equilibrium for a gravitating planet was carried out on a grid with a resolution of 1° × 1° in latitude and longitude. Data on the topography and gravitational field of the planet, starting with the seventh harmonic, were used as boundary conditions. Most of the epicenters of marsquakes are located in zones of extensions and sufficiently large tangential stresses arising as a result of the planet’s deviation from the state of hydrostatic equilibrium. The directions of the main stress axes and their correspondence to the strike of geological structures on the planet’s surface are given.</p>","PeriodicalId":778,"journal":{"name":"Solar System Research","volume":"59 7","pages":""},"PeriodicalIF":0.8000,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Solar System Research","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S0038094625600295","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
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Abstract
The calculation of nonhydrostatic stresses in the interior of Mars is carried out without taking into account the long-wave component. The numerical solution of the system of equations of elastic equilibrium for a gravitating planet was carried out on a grid with a resolution of 1° × 1° in latitude and longitude. Data on the topography and gravitational field of the planet, starting with the seventh harmonic, were used as boundary conditions. Most of the epicenters of marsquakes are located in zones of extensions and sufficiently large tangential stresses arising as a result of the planet’s deviation from the state of hydrostatic equilibrium. The directions of the main stress axes and their correspondence to the strike of geological structures on the planet’s surface are given.
期刊介绍：
Solar System Research publishes articles concerning the bodies of the Solar System, i.e., planets and their satellites, asteroids, comets, meteoric substances, and cosmic dust. The articles consider physics, dynamics and composition of these bodies, and techniques of their exploration. The journal addresses the problems of comparative planetology, physics of the planetary atmospheres and interiors, cosmochemistry, as well as planetary plasma environment and heliosphere, specifically those related to solar-planetary interactions. Attention is paid to studies of exoplanets and complex problems of the origin and evolution of planetary systems including the solar system, based on the results of astronomical observations, laboratory studies of meteorites, relevant theoretical approaches and mathematical modeling. Alongside with the original results of experimental and theoretical studies, the journal publishes scientific reviews in the field of planetary exploration, and notes on observational results.
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